How to start Mysql on Linux

How to edit or write a file in Linux

To open a file vi filename to edit file press insert or i and to exit escape :wq!  exit without write anything escape:q!

How to send email from Linux

Type as below on command prompt: mail -s “test” vchidura@app.comtype your message if over then enterctrl+dit will prompt forcc: type if you needthen press ctrl+d finished.

How to see configuration of a Linux system

All configuration files are located in proc files on Linux. To see CPU Info on Linux, see below command cat proc/cpuinfo To see Memory Info on Linux, see below command cat proc/meminfo or free -m or free -g